13913451 has 24 divisors (see below), whose sum is σ = 21525504. Its totient is φ = 8971560.

The previous prime is 13913437. The next prime is 13913461. The reversal of 13913451 is 15431931.

It is not a de Polignac number, because 13913451 - 2⁶ = 13913387 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13913461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6610 + ... + 8456.

It is an arithmetic number, because the mean of its divisors is an integer number (896896).

Almost surely, 2^13913451 is an apocalyptic number.

13913451 is a deficient number, since it is larger than the sum of its proper divisors (7612053).

13913451 is an equidigital number, since it uses as much as digits as its factorization.

13913451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1893 (or 1881 counting only the distinct ones).

The product of its digits is 1620, while the sum is 27.

The square root of 13913451 is about 3730.0738598585. The cubic root of 13913451 is about 240.5165437132.

The spelling of 13913451 in words is "thirteen million, nine hundred thirteen thousand, four hundred fifty-one".